27108990 has 24 divisors (see below), whose sum is σ = 70483608. Its totient is φ = 7229040.

The previous prime is 27108979. The next prime is 27109001. The reversal of 27108990 is 9980172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27108979) and next prime (27109001).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150516 + ... + 150695.

It is an arithmetic number, because the mean of its divisors is an integer number (2936817).

Almost surely, 2^27108990 is an apocalyptic number.

27108990 is an abundant number, since it is smaller than the sum of its proper divisors (43374618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27108990 is a wasteful number, since it uses less digits than its factorization.

27108990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301224 (or 301221 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 27108990 is about 5206.6294279505. The cubic root of 27108990 is about 300.4031247255.

The spelling of 27108990 in words is "twenty-seven million, one hundred eight thousand, nine hundred ninety".